CN102852006B - Brightening dyeing method for wool knitting fabric - Google Patents
Brightening dyeing method for wool knitting fabric Download PDFInfo
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- CN102852006B CN102852006B CN201210322182.5A CN201210322182A CN102852006B CN 102852006 B CN102852006 B CN 102852006B CN 201210322182 A CN201210322182 A CN 201210322182A CN 102852006 B CN102852006 B CN 102852006B
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Abstract
The present invention discloses a brightening dyeing method for a wool knitting fabric. The method comprises a pretreatment step, a dyeing step and a cleaning step. In the dyeing step of the method of the present invention, an oxygen bleaching process and a dyeing process are merged, wherein bleaching and dyeing are concurrently performed under an acid condition. In the dyeing step of the method, a thermal insulation ladder of the temperature is achieved, wherein thermal insulation platforms are set during heating in the dyeing process, such that the wool fibers can be uniformly dyed with the dye. According to the present invention, operation is convenient, requirements on equipment are low, and a time is saved; the use amount of hydrogen peroxide in the dyeing method of the present invention is significantly lower than the use amount of hydrogen peroxide in the traditional bleaching process; and the wool knitting fabric dyed by the method of the present invention has a significantly bright color, and provides a more significantly improved color brightness than the wool dyed by the traditional method. In addition, strength of the wool knitting fabric of the present invention is effectively protected, and routine conditions on clothes can be completely met.
Description
Technical field
The present invention relates to a kind of gorgeous colouring method of increasing of fabric, particularly relate to a kind of gorgeous colouring method of increasing of wool knitting fabrics, belong to fabrics printing and dyeing field.
Background technology
Along with improving constantly of social progress and living standard, people focus on the individual demand of clothing dress more, and the colour system of wearing fabric be diversified development trend, and each large purchaser is also more and more higher for the coloured light requirement of fabric.Wool, as a kind of traditional natural fabric, has the advantages such as comfortable, warming, not yielding after a series of weaving, dyeing and finishing processing, has very high to take value.But the dyeing colour system of wool fabric could not well be widened, mainly based on dim color.Its reason mainly contains following 2 points: (one) wool fibre itself is in faint yellow, and as run into sizing, yellowing also can promote further; From the angle of color overlaid, yellowish background color obviously can contaminate gorgeous look to wool and cause negative impact.(2) in order to promote every COLOR FASTNESS of wool fabric further, a considerable amount of manufacturer is now had to adopt reactive dye for wool to dye to wool fabric in industry, REACTIVE DYES has very excellent washing fastness, but its shortcoming is the dimness that the gorgeous degree of color will come than ACID DYES.
The approach improving wool fabric pale yellow background color is bleaching, but, conventional dyeing pre-treatment bleaching hydrogen peroxide consumption is large, and bleaching temperature is high, and the time is long, after pre-treatment, although the whiteness of wool fabric has clear improvement, after experiencing dyeing, the rear flow process such as whole again, the physics brute force of wool finished product fabric also can decline greatly, damage is serious, even cannot take.
In sum, there is following problem in the increasing of wool knitting fabrics gorgeous Colour Difference operation:
(1) in the process of wool bleaching, the physics strength damage degree of wool fibre depends on consumption and these two factors of temperature of hydrogen peroxide.(2) brightly painted ACID DYES, easily produces irregular as sapphire blue, sky blue dyestuff or produces look flower, light wool fabric cloth cover especially on wool fabric cloth cover.(3) hydrogen peroxide add treatment progress, as too fast in added, cause temperature too high thus cause oxygen bleaching irregular, finally causing cloth cover coloured light irregular.
Therefore, those skilled in the art is devoted to a kind of new wool of exploitation and increases gorgeous dyeing, utilizes rational process to increase wool fabric whiteness, and then promotes the vividness after wool fabric dyeing; Make again the physics of wool brute force obtain the protection of certain limit simultaneously.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of technique promoting the vividness after wool fabric dyeing.
For achieving the above object, the invention provides a kind of gorgeous colouring method of increasing of wool knitting fabrics,
For the dyeing difficult point that prior art exists, the present invention has made changed targetedly the technological parameter of the gorgeous dyeing of existing increasing, dye addictive, formulates the gorgeous dyeing of the increasing being applicable to wool knitting fabrics made new advances.
Compared with prior art, oxygen bleaching process and dyeing merge by the present invention, bleach and carry out at acid condition, and this conditions of bleaching is equally applicable to the dyeing circumstances of wool, namely realize bleaching one Edge Coloring, both Simplified flowsheet, energy-saving and emission-reduction; Substantially reduce again the time of wool knitting fabrics physical motion in bath, the physical friction reducing wool knitting fabrics is impaired, and the physics brute force of wool fibre is effectively protected.
Easily produce the problem of look flower for brightly painted ACID DYES, the present invention sets temperature ladder, namely in dyeing temperature-rise period, at midway setting insulation platform, enables dyestuff more uniformly go up dyeing wool fiber.Meanwhile, select organic anionic Gradient acid, along with the rising of temperature, slowly release organic acid, pH is reduced gradually, thus reach level dyeing object.
Particularly, the gorgeous colouring method of increasing of wool knitting fabrics of the present invention, comprises pretreatment procedure, dyeing process and matting; Described dyeing process comprises oxygen bleaching process and dyeing, and this oxygen bleaching process and dyeing carry out simultaneously.
In woolen dyed traditional handicraft, generally wool only dyeed and do not bleach.Its reason is because the bleaching temperature of traditional handicraft is high, length consuming time, and the consumption of hydrogen peroxide is 2-4 times of consumption of the present invention, large to Wool Fibre Damage.In addition, carry out if bleaching process and dyeing separate, then can lengthen the flow process of technique, equally also can strengthen the damage to wool fibre.
In a preferred embodiment of the present invention, also can comprise finishing process, namely comprise the dehydration, oven dry, soft sizing etc. carried out successively.
In specific embodiment of the invention scheme, in described dyeing process, hydrogen peroxide slowly adds between the first holding stage (85-90 DEG C, insulation 10-30 minute) with the second holding stage (85-90 DEG C, insulation 10-30 minute).Further, need cooling when adding hydrogen peroxide, preferably, first 70-80 DEG C is fallen in described dye liquor temperature, after slowly adding hydrogen peroxide, then be warming up to 85-90 DEG C.
A specific embodiments of the gorgeous colouring method of increasing of wool knitting fabrics of the present invention, comprises the steps:
(1) pretreatment procedure: by water by bath raio be 1: 15 ~ 20 inject dyeing machines, add wool knitting fabrics, cycle operation 5-20 minute; Add detergent again, be warmed up to 50-90 DEG C, insulation 15-30 minute, is then cooled to less than 60 DEG C, discharges washing lotion;
(2) dyeing process: again by water by bath raio be 1: 15 ~ 20 inject dyeing machines, cycle operation 5-20 minute; Add lubricant in saltcake, pH adjusting agent, bath, levelling agent, hydrogen peroxide activator, be warmed up to 35-40 DEG C, then add dyestuff, the aqueous solution is now dye liquor; Dye liquor is warming up to 85-90 DEG C, carries out first stage insulation after 10-30 minute, add hydrogen peroxide, then carry out second stage insulation 10-30 minute, be then cooled to less than 60 DEG C, discharge dye liquor;
Wherein, the consumption of described saltcake is the 5-10% of described wool knitting fabrics weight.The consumption of described levelling agent is the 1-2% of described wool knitting fabrics weight.
(3) matting: add water in dyeing machine, be warming up to 50-80 DEG C, be incubated after 10-30 minute and lower the temperature, discharge washing lotion, last cold water (20-30 DEG C) is washed till water and clears out cloth.
Inventor finds, in the pretreatment procedure of the inventive method, after adding detergent, add soda ash before intensification again and carry out the pH of regulator solution for time alkaline, the effect removing grease on fabric is better.
In the specific embodiment of the present invention, in pretreatment procedure, the consumption of detergent is preferably 1-2g in every 1 premium on currency.
In a preferred embodiment of the invention, in dyeing process, in pH adjusting agent, bath, the consumption of lubricant, hydrogen peroxide activator is respectively 0.5-2g, 1-3g, 1-8g in every 1 premium on currency; More preferably, the consumption of 35% hydrogen peroxide that dyeing process midway adds is 5-10g in every 1 premium on currency.
Hydrogen peroxide activator described in the dyeing process of the inventive method is a kind of organic slat solution, is preferably commercially available PO brightening agent.This hydrogen peroxide activator can form peroxide with hydrogen peroxide; both bleaching effect can be significantly improved in acid condition in conjunction with hydrogen peroxide; the consumption of hydrogen peroxide can be made again obviously to decline than the hydrogen peroxide consumption of traditional wool bleaching process, and the object of this improvement is to protect the physics of wool fibre powerful to greatest extent.
Dyestuff described in the dyeing process of the inventive method is the conventional ACID DYES in this area, preferred Hensel Man according to sharp Neil series dyes (under this series dyes the dyestuff of all models, character is close, may be used to the present invention).Use according to sharp Neil A type series dyes, wool knitting fabrics can be made to possess excellent COLOR FASTNESS, higher dyestuff dye uptake.The consumption color as required of dyestuff regulates, and be generally middle light color, those skilled in the art easily can determine its consumption according to specific needs.
Because gorgeous color mostly is middle light color, therefore, suitably reduce dyeing temperature also can ensure desirable dyestuff contaminates Dry Sack rate.Meanwhile, reduction dyeing temperature also can play a positive role for the physics strength protection of wool.The woolen dyed temperature of general routine is 99 DEG C.In better embodiment of the present invention, the woolen dyed temperature in dyeing process then reduces to 85-90 DEG C.
In another better embodiment of the present invention, in described dyeing process, the specified operational procedure of dye liquor intensification flow process is: after adding dyestuff, be first warmed up to 50-60 DEG C, and preferred temperature-rise period completed in 10-20 minute, insulation 10-20 minute; Be warmed up to 85-90 DEG C again, this temperature-rise period completed in 15-30 minute, carried out first stage insulation 10-30 minute subsequently; Dye liquor temperature returns and drops to 70-80 DEG C, after slowly adding hydrogen peroxide, and soak cycles 5-10 minute; Then temperature recovery is to 85-90 DEG C, and this temperature-rise period completed in 5-20 minute, and carries out second stage insulation 10-30 minute.
In the preferred embodiment of the gorgeous colouring method of increasing of the present invention, in step (1), (2) and (3), water used all refers to industrial soft water, and selected dyeing machine is overflow or jet dyeing machine.
In the method for the invention, in described detergent, pH adjusting agent, bath, lubricant, levelling agent etc. are the conventional auxiliary agent of the art, have no particular limits this.
In the method for the invention, " water " used by described water, washing etc. all refers to the industrial soft water that this area is conventional, and those skilled in the art easily can determine the consumption of water.
The gorgeous colouring method of increasing of wool knitting fabrics of the present invention is easy and simple to handle, low for equipment requirements, saves time; Hydrogen peroxide consumption in colouring method of the present invention is starkly lower than the hydrogen peroxide consumption in traditional bleaching process.Through the inventive method dyeing after wool knitting fabrics there is significant gorgeous sense, although compared with the woolen dyed technique of tradition, vividness amplification size because of the difference of dyestuff can be variant.But when using same dyestuff, than the woolen dyed technique of normal system, the wool knitting fabrics after the present invention's dyeing has had obvious lifting in the vividness of color, and the lifting of its bright in color light degree is up to more than 20%.Simultaneously, the impact of bleaching on the physics brute force of wool knitting fabrics of the inventive method is very little, the physics brute force of the wool knitting fabrics after the inventive method process maintains a good level, and wear-resisting strength loss can control within 8%, and bursting strength is almost constant.The brute force of wool knitting fabrics is effectively protected, and can reach routine completely and take condition.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.
The brightening agent used in embodiment is the PO brightening agent purchased from German Duo Wen company.
Embodiment 1
A kind of wool knitting fabrics, in jet dyeing machine, comprises the steps: the method that it dyes
1) pretreatment procedure: inject 612 liters of industrial soft water in dyeing machine, the wool knitting fabrics of 41kg is put into dyeing machine Inner eycle and operate 10 minutes.Add Sima DEPICOL JT 612g, soda ash 326g, run 10 minutes, be warmed up to 60 DEG C, be incubated 15 minutes, be then cooled to less than 60 DEG C, discharge washing lotion, then cold wash 10 minutes;
2) dyeing process: inject 612 liters of industrial soft water in dyeing machine, cycle operation, after 10 minutes, adds saltcake 2040g, mountain moral acid VS 612g, in bath, precious C 1224g, A Baige SET 408g, PO brightening agent 1530g, run 10 minutes, be warmed up to 40 DEG C; Slowly added in dyeing machine by the dye solution mixed with water (comprising dyestuff T/BLUE A-G 62g in dye liquor), the time added is 15 minutes again, and run circulation and be warming up to 85 DEG C after 10 minutes, carrying out the first stage is incubated 20 minutes; Then dye liquor temperature returns and is lowered to 70 DEG C, after slowly adding 35% hydrogen peroxide 3672g, and soak cycles 10 minutes, temperature was gone up to 85 DEG C in 15 minutes, carried out second stage and was incubated 20 minutes; Finally be cooled to less than 60 DEG C, discharge dye liquor;
3) matting: add 612 liters of industrial soft water in dyeing machine, be warming up to 60 DEG C, be incubated after 20 minutes and lower the temperature, discharge washing lotion, 20 DEG C of cold wash clear out cloth to water;
Fabric enters finishing process after going out cylinder, comprises insect protected arrangement in bath, dehydration successively, dries, softness shapes checking procedure.
After tested, the wear-resisting strength loss of wool knitting fabrics is 4.1%, and bursting strength is almost constant.The gorgeous colouring method of increasing of the present invention is the most remarkable to the gorgeous amplitude of increasing of wool knitting fabrics cloth cover cobalt blue, compared with comparative example, the cloth cover bright in color light degree of the wool knitting fabrics after the gorgeous colouring method process of increasing of the present invention be promoted to 21%.
Comparative example:
A conventional coloring method for wool knitting fabrics, in jet dyeing machine, the method using dyestuff similarly to Example 1 to carry out dyeing comprises pretreatment procedure, dyeing process, matting.Wherein, the pretreatment procedure of the method is identical with embodiment 1 with matting, and its dyeing process concrete operations are:
Dyeing process: inject 612 liters of industrial soft water in dyeing machine, circulate and add saltcake 2040g after 10 minutes, mountain moral acid VS 612g, in bath, precious C 1224g, A Baige SET 408g, runs 10 minutes, be warmed up to 40 DEG C, by the dye solution mixed with water (comprising dyestuff T/BLUE A-G 62g in dye liquor), slowly add in dyeing machine, the time added is 15 minutes, run circulation and be warming up to 99 DEG C after 10 minutes, be incubated 30 minutes, be then cooled to less than 60 DEG C, discharge dye liquor.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (3)
1. the gorgeous colouring method of the increasing of wool knitting fabrics, comprises pretreatment procedure, dyeing process and matting, it is characterized in that, described dyeing process comprises oxygen bleaching process and dyeing, and described oxygen bleaching process and dyeing carry out simultaneously:
(1) pretreatment procedure: by water by bath raio be 1:15 ~ 20 inject dyeing machine, add wool knitting fabrics, cycle operation 5-20 minute; Add detergent, the consumption of described detergent is 1-2g in every 1 premium on currency, and add soda ash and regulate pH for alkalescence, be warmed up to 50-90 DEG C, insulation 15-30 minute, is then cooled to less than 60 DEG C, discharges washing lotion;
(2) dyeing process: by water by bath raio be 1:15 ~ 20 inject dyeing machine, cycle operation 5-20 minute; Add lubricant, levelling agent, hydrogen peroxide activator in saltcake, pH adjusting agent mountain moral acid VS, bath, be warmed up to 35-40 DEG C; Add dyestuff again, be warming up to 85-90 DEG C, be incubated and add hydrogen peroxide after 10-30 minute, be incubated 10-30 minute again at 85-90 DEG C; Then less than 60 DEG C are cooled to, discharge dye liquor, described pH adjusting agent mountain moral acid VS, lubricant in bath, the consumption of hydrogen peroxide activator is respectively 0.5-2g, 1-3g, 1-8g in every 1 premium on currency, the consumption of described saltcake is the 5-10% of described wool knitting fabrics weight, and the consumption of described levelling agent is the 1-2% of described wool knitting fabrics weight;
The specific procedure that in described dyeing process, dye liquor heats up is: after adding described dyestuff, first in 10-20 minute, is warmed up to 50-60 DEG C, insulation 10-20 minute, then is warmed up to 85-90 DEG C in 15-30 minute, carries out first stage insulation 10-30 minute; Described dye liquor temperature returns and is lowered to 70-80 DEG C, and after slowly adding hydrogen peroxide, wherein the consumption of hydrogen peroxide is 5-10g in every 1 premium on currency, soak cycles 5-10 minute, and temperature was gone up to 85-90 DEG C in 5-20 minute, carries out second stage insulation 10-30 minute;
(3) matting: add water in dyeing machine, be warming up to 50-80 DEG C, be incubated after 10-30 minute and lower the temperature, discharge washing lotion, then cold wash clears out cloth to water.
2. the gorgeous colouring method of increasing of wool knitting fabrics as claimed in claim 1, it is characterized in that, described hydrogen peroxide activator is PO brightening agent.
3. the gorgeous colouring method of increasing of wool knitting fabrics as claimed in claim 1, is characterized in that, described dyestuff is for complying with sharp Neil series ACID DYES.
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| CN108611883A (en) * | 2018-03-27 | 2018-10-02 | 卢超标 | Rapid dyeing process for wool fabric |
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| CN105484075A (en) * | 2015-12-18 | 2016-04-13 | 桐乡市濮院羊毛衫职业技术学校 | Wool dyeing treatment technology |
| CN105507036A (en) * | 2016-01-15 | 2016-04-20 | 江苏倪家巷集团精毛纺织有限公司 | Energy-saving wool dyeing process |
| CN106192478A (en) * | 2016-07-15 | 2016-12-07 | 上海嘉麟杰纺织品股份有限公司 | A kind of colouring method of non-shrinkable wool fabric |
| CN106367956A (en) * | 2016-08-30 | 2017-02-01 | 江阴市越华毛纺织有限公司 | Treatment process enabling fluff on surface of wool fabric to be stiff |
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| CN108265537A (en) * | 2018-01-31 | 2018-07-10 | 海宁市锦涤化纤有限公司 | A kind of colouring method of wool fabric |
| CN108570866B (en) * | 2018-03-27 | 2020-08-11 | 广州迪柯尼服饰股份有限公司 | Dyeing method of wool fabric |
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Effective date of registration: 20190819 Address after: 201505 Tianfeng Highway 1918, Tinglin Town, Jinshan District, Shanghai Patentee after: Shanghai Jialinjie Textile Technology Co., Ltd. Address before: 201504 Shanghai city Jinshan District ting Lin Zhen Ting Feng Road No. 1918 Patentee before: Shanghai Challenge Textile Co., Ltd. |